Page 81 - TB_6B
P. 81
095_G6U24_G6U12–‡» ¿º 2011.3.23 11:8 AM ˘ ` 70
24 Balance
There are four balanced scales. Use variables a, b, c, and d to write the
equations.
7a 555 b 1010
33
7 a=5 5 5
7 a = 15
ccc 3 d 51
666 dd d 1010 10
70
24 Balance
There are four balanced scales. Use variables a, b, c, and d to write the
equations.
7a 555 b 1010
33
7 a=5 5 5
7 a = 15
ccc 3 d 51
666 dd d 1010 10
70
